EP2333496A1 - Coriolis mass flow measuring device - Google Patents

Coriolis mass flow measuring device Download PDF

Info

Publication number
EP2333496A1
EP2333496A1 EP10015454A EP10015454A EP2333496A1 EP 2333496 A1 EP2333496 A1 EP 2333496A1 EP 10015454 A EP10015454 A EP 10015454A EP 10015454 A EP10015454 A EP 10015454A EP 2333496 A1 EP2333496 A1 EP 2333496A1
Authority
EP
European Patent Office
Prior art keywords
magnet
magnet holder
protective housing
holder
coriolis mass
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10015454A
Other languages
German (de)
French (fr)
Other versions
EP2333496B1 (en
Inventor
Yousif Dr. Hussain
Christopher Rolph
Nei Harrison
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Krohne AG
Original Assignee
Krohne AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Krohne AG filed Critical Krohne AG
Publication of EP2333496A1 publication Critical patent/EP2333496A1/en
Application granted granted Critical
Publication of EP2333496B1 publication Critical patent/EP2333496B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8422—Coriolis or gyroscopic mass flowmeters constructional details exciters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8427—Coriolis or gyroscopic mass flowmeters constructional details detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/006—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus characterised by the use of a particular material, e.g. anti-corrosive material

Definitions

  • the invention relates to a Coriolis mass flowmeter having a measuring tube which can be excited to oscillate, and a magnet arrangement serving for oscillation generation and / or oscillation recording, wherein the magnet arrangement comprises at least one permanent magnet and a magnetic holder holding the permanent magnet.
  • Mass flowmeters which operate on the Coriolis principle, have at least one vibration generator, with which the measuring tube is excited to oscillate.
  • the vibrations of the measuring tube are usually detected with two vibration sensors. The determination of the mass flow then takes place via the phase shift between the vibrations respectively detected by the two vibration sensors.
  • the vibration generator and the vibration sensor are generally constructed so that they have a permanent magnet and a magnetic coil to electrically transmit vibrations to the measuring tube or to detect vibrations of the measuring tube, so they are referred to herein as a magnet assembly.
  • a permanent magnet In order to fix the permanent magnet on the vibration generator or on the vibration sensor, this is glued, for example, in a surrounding the permanent magnet protective housing so that it is protected from damage from external influences, such as shocks during transport or during installation
  • the DE 10 2008 007 742 A1 discloses a Coriolis mass flowmeter comprising a magnet holder with a protective housing, wherein the magnet holder is made of plastic.
  • the permanent magnet is inserted into the magnet holder and is held by this.
  • the protective housing surrounds the magnet holder and additionally protects the magnet against mechanical damage.
  • the known from the prior art protective devices have the disadvantage that the attachment between the plastic magnet holder and metallic protective housing must be made with relatively great effort by the permanent vibration load.
  • the present invention seeks to provide a Coriolis mass flowmeter, which has a fastening for the permanent magnet, which withstands a permanent vibration load and reliably protects the permanent magnet.
  • the object is achieved by the magnet holder of the magnet assembly consists of a non-magnetic stainless steel.
  • the magnetic holder made of stainless steel is not susceptible to damage by permanent vibrations, so that the magnet holder, for example, compared to a magnet holder made of a plastic has an increased life.
  • the Coriolis mass flowmeter according to the invention has the advantage that it can be used by the construction of the magnetic holder made of a non-magnetic stainless steel for high temperature applications without components of the meter are damaged by the high temperatures.
  • the magnet holder is made of a non-magnetic or non-magnetizable stainless steel, so that the magnet holder does not affect the magnetic field of the permanent magnet.
  • the magnet holder surrounds the magnet completely and protectively, so that it is protected against mechanical damage, for example by a shock.
  • the magnet arrangement has a protective housing, wherein the magnet holder is materially connected to the protective housing, in particular the protective housing consists of a stainless steel.
  • the magnet holder and the protective housing are preferably arranged coaxially, wherein the magnet holder is soldered or welded to the protective housing, for example.
  • the resistance welding in particular resistance spot welding, but also other welding methods, eg. As the laser welding.
  • Soldering, brazing or high-temperature soldering, for example, are suitable as soldering processes.
  • the protective housing and the magnet holder are thereby reliably connected in a materially bonded manner, so that the connection is insoluble. The connection is not damaged by permanent vibrations or high temperatures.
  • the material of the protective housing as a whole should have a high magnetic permeability, so that the protective housing can guide the magnetic field lines emanating from the permanent magnet, in particular to ensure a high flux density in the vicinity of the coil.
  • the material is a conventional steel or mild steel with a low carbon content.
  • the protective housing is made of a stainless steel, which should be a magnetizable stainless steel.
  • the magnet holder can almost completely surround the permanent magnet, it is provided according to a preferred embodiment that the magnet holder forms a receiving space for the permanent magnet and the permanent magnet is introduced into the receiving space of the magnet holder.
  • the permanent magnet is thus surrounded by the rigid walls of the magnet holder, so that the risk of mechanical damage of the permanent magnet is reduced.
  • the receiving space preferably surrounds the permanent magnet such that no or only a small gap remains between the walls of the receiving space and the permanent magnet.
  • this gap can be reduced by the magnet holder is designed as a hollow cylinder and defines the receiving space for the permanent magnet.
  • the permanent magnet is cylindrical therefor, wherein the outer diameter of the permanent magnet substantially corresponds to the inner diameter of the hollow cylinder, so that the cylindrical permanent magnet can be introduced into the magnetic holder designed as a hollow cylinder and secured within the magnet holder.
  • the magnet holder is preferably surrounded by a cylindrical protective housing, wherein that protective housing and the magnet holder are arranged coaxially.
  • the arranged inside the protective housing magnet holder is preferably slightly longer in its longitudinal extent than the longitudinal extent of the protective housing - meaning so is the length of the cylinder - so that the magnet holder protrudes from the protective housing, preferably about one to two millimeters.
  • the permanent magnet is fixed reliably within the magnet holder, is provided according to an advantageous embodiment that the permanent magnet is held in the magnet holder by an open end of the magnet holder is plastically deformed.
  • An open end of the magnet holder - preferably the end, through which the magnet has been guided into the magnet holder - is thereby plastically deformed or crimped together with a tool, so that the opening of the magnet holder is reduced such that the magnet can not pass through.
  • the longitudinal extension of the magnet holder is slightly longer than the permanent magnet itself, so that the protruding part of the magnet holder is compressed. It is important to ensure that the magnet is not damaged by the plastic deformation of the magnet holder, and that the magnet holder substantially maintains its outer shape and is only plastically deformed very locally.
  • the magnet holder has a base plate, wherein the magnet holder is attached to the base plate to the protective housing.
  • the base plate is preferably circular, wherein on the base plate of the receiving space of the magnet holder forming part of the magnet holder - for example, a cylindrical tube - is mounted.
  • a circular base plate is particularly suitable for a protective housing with a circular bottom surface.
  • the base plate is used to attach the magnet holder to the protective housing and is preferably made of the same material as the magnet holder. For attachment of the magnet holder to the protective housing of the magnet holder is welded or soldered, for example, with its base plate to the protective housing.
  • the protective housing has a positioning means in the area of contact with the magnet holder, so that the magnet holder can be aligned with the positioning means in the protective housing.
  • the positioning means is preferably formed as a projection or as a return to the protective housing, wherein the magnet holder has a corresponding counterpart, so that a simple orientation the magnet holder is made possible relative to the protective housing.
  • the magnet holder and also the protective housing are cylindrical, so that they can be aligned coaxially with the positioning means.
  • the positioning means is formed as a projection on the protective housing, in particular the projection is circular and has a diameter which corresponds to the inner diameter of the receiving space of the magnetic holder.
  • the magnet holder is thus placed in a simple manner on the projection.
  • the base plate When configured with a base plate, the base plate has a recess in the region of the projection, so that the projection can reach into or through the base plate.
  • the magnet holder is positioned by the projection not only relative to the protective housing, but also held in a form-fitting manner by the projection.
  • the surface of the projection is made with a special surface finish, so that the permanent magnet can be placed on a particularly smooth surface.
  • the protective housing has a fastening means for attachment to a holding device.
  • the protective housing has, for example, on its rear side a cylindrical rod with which an attachment to a support frame is made possible.
  • the cylindrical rod is preferably formed integrally with the protective housing and has for example a thread or is completely smooth.
  • An embodiment which is particularly suitable when the magnet holder is soldered to the protective housing is characterized in that the protective housing has at least one bore in the area of contact with the magnet holder. Through this hole, for example, a solder additive or a flux can be brought from the bottom to the magnet holder, so that a reliable connection between the magnet holder and protective housing is ensured. Through the hole in the contact area and the base plate - as far as it is available - accessible from the back of the protective housing.
  • the permanent magnet is attached at least by means of an adhesive to the magnet holder.
  • an adhesive is added, so that the magnet is held without play within the receiving space of the magnet holder by the adhesive.
  • the adhesive fills out the small gap between magnet holder and permanent magnet, whereby damage to the permanent magnet is almost impossible.
  • the magnet arrangement comprises at least two permanent magnets and at least one metal core, wherein the metal core is arranged in the magnet holder between the permanent magnets, in particular the permanent magnets are each aligned with a same pole to each other.
  • the cylindrical permanent magnets are successively introduced into the cylindrical magnet holder, wherein between the permanent magnets, a cylindrical metal core is introduced.
  • the metal core preferably has a high magnetic permeability, which is comparable, for example, with the permeability of the protective housing.
  • the permanent magnets which are arranged in front of and behind the metal core, are preferably aligned so that they are each directed towards each other with a same pole, which means that, for example, in each case the two south poles of the magnets are adjacent to the metal core, whereby an advantageous Course of the magnetic field results.
  • the magnets can also be aligned such that the two north poles of one side each adjoin the metal core.
  • Fig. 1 shows a magnet assembly 1 for a Coriolis mass flow meter with a stimulable to vibrations measuring tube, wherein the magnet assembly 1 is used for vibration generation and / or vibration absorption.
  • the magnet assembly 1 in the embodiment according to the Fig. 1 to 3 comprises two permanent magnets 2 fixed in a magnet holder 3 made of a nonmagnetic stainless steel.
  • the magnet holder 3 is surrounded by a protective housing 4, wherein the protective housing 4 is materially connected to the magnet holder 3.
  • the magnet holder 3 is soldered to the protective housing 4.
  • the magnet holder 3 is designed as a hollow cylinder and thereby forms a cylindrical receiving space 5, in which the cylindrical permanent magnets 2 are introduced.
  • the permanent magnets 2 are inserted through the open end 6 of the magnet holder 3 in the receiving space 5, wherein the open end 6 - as in particular in Fig. 3 shown - is plastically deformed.
  • the magnet holder 3 has according to Fig. 1 a base plate 7, wherein the magnet holder 3 with the base plate 7 in a contact region 8 - here the bottom plate of the protective housing 4 - is integrally connected to the protective housing 4.
  • the protective housing 4 has a positioning means 9 designed as a projection, wherein the magnet holder 3 can be positioned and aligned within the protective housing 4 with the positioning means 9.
  • the diameter of the here circular positioning 9 corresponds essentially to the inner diameter the receiving space 5, wherein the base plate 7 has a recess, so that the positioning means 9 can engage in the base plate 7.
  • Fig. 2 shows a perspective rear view of the magnet assembly 1, wherein in the rear region of the protective housing 4, a fastening means 10 for fixing the magnet assembly 1 is provided on a Coriolis mass flowmeter.
  • the fastening means 10 is also cylindrical and integral with the protective housing.
  • a plurality of bores 11, which are arranged in the contact region 8 of the protective housing 4 are provided in the rear region of the protective housing 4.
  • the base plate 7 of the magnet holder 3 is accessible from its underside, so that for fixing the magnet holder 3 to the protective housing 4, a flux or a solder additive through the holes 11 are brought to the bottom of the base plate 7 of the magnet holder 3 can.
  • a metal core 12 is inserted between the two permanent magnets 2, which separates the permanent magnets 2 from each other and a special orientation of the magnetic field of the permanent magnet 2 is used.
  • the permanent magnets 2 are arranged so that they rest respectively with their south poles on the metal core 12.
  • the in Fig. 1 on the left side shown permanent magnet 2 abuts the projection 9 of the protective housing 4.
  • Fig. 3 shows a magnet assembly 1, in particular an enlargement of the plastically deformed open end 6 of the magnet holder 3, wherein the open end 6 of the magnet holder 3 has been plastically deformed or crimped at two opposite locations, so that the opening has been reduced to the receiving space 5 and the Magnet 2 can not be moved out of the receiving space 5.
  • Fig. 4 shows a magnetic holder 3 made of a non-magnetic stainless steel, wherein the magnet holder 3 is integrally formed with a base plate 7.
  • the magnet holder 3 can be fastened to the base plate 7 on a protective housing 4.
  • the height of the cylindrical part of the magnet holder 3 is small greater than the height of the protective housing 4 - see Fig. 1 -, So that the magnet holder 3 protrudes with its open end 6 slightly above the outer height of the protective housing 4.
  • This protruding part at the open end 6 of the magnet holder 3 is used for plastic deformation for fixing the permanent magnets 2 within the magnet holder 3.
  • the permanent magnets 2 together with the metal core 12 a cylinder which is flush with respect to its height with the outer edges of the protective housing 4.

Abstract

The flow meter has a measuring tube excited to oscillations, and a magnetic assembly (1) for generating and/or measuring the oscillations. The assembly has a magnetic holder (3) for holding a permanent magnet (2), where the holder is firmly bonded within a protective housing (4) of the assembly, and the holder and the housing are made of nonmagnetic stainless steel. The holder forms a receiving space (5) for the magnet such that the magnet is inserted into the receiving space, where an open end (6) of the holder is plastically deformed for holding the magnet.

Description

Die Erfindung betrifft ein Coriolis-Massendurchflussmessgerät mit einem zu Schwingungen anregbaren Messrohr, und einer zur Schwingungserzeugung und/oder zur Schwingungsaufnahme dienenden Magnetanordnung, wobei die Magnetanordnung wenigstens einen Permanentmagneten und einen den Permanentmagneten haltenden Magnethalter umfasst.The invention relates to a Coriolis mass flowmeter having a measuring tube which can be excited to oscillate, and a magnet arrangement serving for oscillation generation and / or oscillation recording, wherein the magnet arrangement comprises at least one permanent magnet and a magnetic holder holding the permanent magnet.

Massendurchflussmessgeräte, die nach dem Coriolis-Prinzip arbeiten, weisen wenigstens einen Schwingungserzeuger auf, mit dem das Messrohr zu Schwingungen angeregt wird. Die Schwingungen des Messrohrs werden üblicherweise mit zwei Schwingungsaufnehmern erfasst. Die Bestimmung des Massendurchflusses erfolgt dann über die Phasenverschiebung zwischen den von den beiden Schwingungsaufnehmern jeweils erfassten Schwingungen.Mass flowmeters, which operate on the Coriolis principle, have at least one vibration generator, with which the measuring tube is excited to oscillate. The vibrations of the measuring tube are usually detected with two vibration sensors. The determination of the mass flow then takes place via the phase shift between the vibrations respectively detected by the two vibration sensors.

Der Schwingungserzeuger und die Schwingungsaufnehmer sind im Allgemeinen derart aufgebaut, dass sie einen Permanentmagneten sowie eine Magnetspule aufweisen, um auf elektrischem Wege Schwingungen auf das Messrohr zu übertragen bzw. Schwingungen des Messrohrs zu erfassen, weshalb sie vorliegend als Magnetanordnung bezeichnet werden. Um den Permanentmagneten am Schwingungserzeuger bzw. am Schwingungsaufnehmer zu befestigen, wird dieser beispielsweise in ein den Permanentmagneten umgebendes Schutzgehäuse eingeklebt, so dass er vor einer Beschädigung durch äußere Einflüsse, wie Stößen beim Transport oder bei der Installation, geschützt istThe vibration generator and the vibration sensor are generally constructed so that they have a permanent magnet and a magnetic coil to electrically transmit vibrations to the measuring tube or to detect vibrations of the measuring tube, so they are referred to herein as a magnet assembly. In order to fix the permanent magnet on the vibration generator or on the vibration sensor, this is glued, for example, in a surrounding the permanent magnet protective housing so that it is protected from damage from external influences, such as shocks during transport or during installation

Die DE 10 2008 007 742 A1 offenbart ein Coriolis-Massendurchflussmessgerät, dass einen Magnethalter mit einem Schutzgehäuse umfasst, wobei der Magnethalter aus Kunststoff gefertigt ist. Der Permanentmagnet ist in den Magnethalter eingebracht und wird von diesem gehalten. Das Schutzgehäuse umgibt den Magnethalter und schützt den Magneten zusätzlich vor mechanischer Beschädigung. Die aus dem Stand der Technik bekannten Schutzeinrichtungen weisen allerdings den Nachteil auf, dass durch die dauerhafte Schwingungsbelastung die Befestigung zwischen Kunststoff-Magnethalter und metallischem Schutzgehäuse mit vergleichsweise großem Aufwand hergestellt werden muss.The DE 10 2008 007 742 A1 discloses a Coriolis mass flowmeter comprising a magnet holder with a protective housing, wherein the magnet holder is made of plastic. The permanent magnet is inserted into the magnet holder and is held by this. The protective housing surrounds the magnet holder and additionally protects the magnet against mechanical damage. However, the known from the prior art protective devices have the disadvantage that the attachment between the plastic magnet holder and metallic protective housing must be made with relatively great effort by the permanent vibration load.

Ausgehend von dem vorgenannten Stand der Technik liegt der Erfindung die Aufgabe zugrunde, ein Coriolis-Massendurchflussmessgerät anzugeben, das eine Befestigung für den Permanentmagneten aufweist, die einer dauerhaften Schwingungsbelastung standhält und den Permanentmagneten zuverlässig schützt..Based on the aforementioned prior art, the present invention seeks to provide a Coriolis mass flowmeter, which has a fastening for the permanent magnet, which withstands a permanent vibration load and reliably protects the permanent magnet.

Ausgehend von dem eingangs beschriebenen Coriolis-Massendurchflussmessgerät ist die Aufgabe gelöst, indem der Magnethalter der Magnetanordnung aus einem nichtmagnetischen rostfreien Stahl besteht. Der Magnethalter aus rostfreiem Stahl ist unanfällig gegen eine Beschädigung durch dauerhafte Schwingungen, so dass der Magnethalter beispielsweise gegenüber einem Magnethalter aus einem Kunststoff eine gesteigerte Lebensdauer aufweist. Zudem weist das erfindungsgemäße Coriolis-Massendurchflussmessgerät den Vorteil auf, dass es durch die Konstruktion des Magnethalters aus einem nichtmagnetischen rostfreien Stahl auch für Hochtemperaturanwendungen verwendbar ist, ohne dass Bauteile des Messgeräts durch die hohen Temperaturen beschädigt werden. Der Magnethalter besteht aus einem nichtmagnetischen bzw. nichtmagnetisierbaren rostfreien Stahl, so dass der Magnethalter das Magnetfeld des permanenten Magneten nicht beeinflusst. Vorzugsweise umgibt der Magnethalter den Magnet vollständig und schützend, so dass dieser vor mechanischer Beschädigung, beispielsweise durch einen Stoß, geschützt ist.Based on the Coriolis mass flowmeter described above, the object is achieved by the magnet holder of the magnet assembly consists of a non-magnetic stainless steel. The magnetic holder made of stainless steel is not susceptible to damage by permanent vibrations, so that the magnet holder, for example, compared to a magnet holder made of a plastic has an increased life. In addition, the Coriolis mass flowmeter according to the invention has the advantage that it can be used by the construction of the magnetic holder made of a non-magnetic stainless steel for high temperature applications without components of the meter are damaged by the high temperatures. The magnet holder is made of a non-magnetic or non-magnetizable stainless steel, so that the magnet holder does not affect the magnetic field of the permanent magnet. Preferably, the magnet holder surrounds the magnet completely and protectively, so that it is protected against mechanical damage, for example by a shock.

Um den Permanentmagneten zusätzlich vor Beschädigungen zu schützen, ist gemäß einer bevorzugten Ausgestaltung vorgesehen, dass die Magnetanordnung ein Schutzgehäuse aufweist, wobei der Magnethalter stoffschlüssig mit dem Schutzgehäuse verbunden ist, insbesondere das Schutzgehäuse aus einem rostfreien Stahl besteht. Der Magnethalter und das Schutzgehäuse sind dazu vorzugsweise koaxial angeordnet, wobei der Magnethalter mit dem Schutzgehäuse beispielsweise verlötet oder verschweißt ist. Als Schweißverfahren eignen sich u. a. das Widerstandsschweißen, insbesondere das Widerstandspunktschweißen, aber auch andere Schweißverfahren, z. B. das Laserschweißen. Als Lötverfahren eignen sich beispielsweise das Weichlöten, das Hartlöten oder das Hochtemperaturlöten..Das Schutzgehäuse und der Magnethalter werden dadurch zuverlässig stoffschlüssig verbunden, so dass die Verbindung unlösbar ist. Die Verbindung wird nicht durch Dauerschwingungen oder durch hohe Temperaturen beschädigt.In order to additionally protect the permanent magnet from damage, it is provided according to a preferred embodiment that the magnet arrangement has a protective housing, wherein the magnet holder is materially connected to the protective housing, in particular the protective housing consists of a stainless steel. The magnet holder and the protective housing are preferably arranged coaxially, wherein the magnet holder is soldered or welded to the protective housing, for example. As a welding process, inter alia, the resistance welding, in particular resistance spot welding, but also other welding methods, eg. As the laser welding. Soldering, brazing or high-temperature soldering, for example, are suitable as soldering processes. The protective housing and the magnet holder are thereby reliably connected in a materially bonded manner, so that the connection is insoluble. The connection is not damaged by permanent vibrations or high temperatures.

Das Material des Schutzgehäuses sollte insgesamt eine hohe magnetische Permeabilität aufweisen, so dass das Schutzgehäuse die magnetischen Feldlinien, die von dem Permanentmagneten ausgehen, führen kann, insbesondere um eine hohe Flussdichte in der Nähe der Spule sicherzustellen. Als Material eignet sich ein üblicher Stahl oder Baustahl mit einem geringen Kohlenstoff anteil. Um eine Korrosionsfestigkeit des Schutzgehäuses zu gewährleisten, ist auch vorgesehen, dass das Schutzgehäuse aus einem rostfreien Stahl besteht, wobei es sich dabei um einen magnetisierbaren rostfreien Stahl handeln sollte.The material of the protective housing as a whole should have a high magnetic permeability, so that the protective housing can guide the magnetic field lines emanating from the permanent magnet, in particular to ensure a high flux density in the vicinity of the coil. The material is a conventional steel or mild steel with a low carbon content. In order to ensure a corrosion resistance of the protective housing, it is also envisaged that the protective housing is made of a stainless steel, which should be a magnetizable stainless steel.

Damit der Magnethalter den Permanentmagneten nahezu vollständig umgeben kann, ist gemäß einer bevorzugten Ausgestaltung vorgesehen, dass der Magnethalter einen Aufhahmeraum für den Permanentmagneten bildet und der Permanentmagnet in den Aufnahmeraum des Magnethalters eingebracht ist. Der Permanentmagnet ist somit von den starren Wänden des Magnethalters umgeben, so dass die Gefahr einer mechanischen Beschädigung des Permanentmagneten reduziert ist. Der Aufnahmeraum umgibt den Permanentmagneten dabei vorzugsweise derart, dass kein oder nur ein geringer Spalt zwischen den Wänden des Aufnahmeraums und dem Permanentmagneten verbleibt.So that the magnet holder can almost completely surround the permanent magnet, it is provided according to a preferred embodiment that the magnet holder forms a receiving space for the permanent magnet and the permanent magnet is introduced into the receiving space of the magnet holder. The permanent magnet is thus surrounded by the rigid walls of the magnet holder, so that the risk of mechanical damage of the permanent magnet is reduced. The receiving space preferably surrounds the permanent magnet such that no or only a small gap remains between the walls of the receiving space and the permanent magnet.

Ganz bevorzugt kann dieser Spalt reduziert werden, indem der Magnethalter als Hohlzylinder ausgestaltet ist und den Aufnahmeraum für den Permanentmagneten definiert. Vorzugsweise ist auch der Permanentmagnet dafür zylindrisch ausgebildet, wobei der Außendurchmesser des Permanentmagneten im wesentlichen dem Innendurchmesser des Hohlzylinders entspricht, so dass der zylindrische Permanentmagnet in den als Hohlzylinder ausgebildeten Magnethalter eingebracht und innerhalb des Magnethalters befestigt werden kann. Der Magnethalter ist dabei vorzugsweise von einem zylindrischen Schutzgehäuse umgeben, wobei dass Schutzgehäuse und der Magnethalter koaxial angeordnet sind. Der innerhalb des Schutzgehäuses angeordnete Magnethalter ist vorzugsweise in seiner Längserstreckung etwas länger als die Längserstreckung des Schutzgehäuses - gemeint ist damit jeweils die Länge des Zylinders -, so dass der Magnethalter aus dem Schutzgehäuse hinausragt, vorzugsweise etwa einen bis zwei Millimeter.Most preferably, this gap can be reduced by the magnet holder is designed as a hollow cylinder and defines the receiving space for the permanent magnet. Preferably, the permanent magnet is cylindrical therefor, wherein the outer diameter of the permanent magnet substantially corresponds to the inner diameter of the hollow cylinder, so that the cylindrical permanent magnet can be introduced into the magnetic holder designed as a hollow cylinder and secured within the magnet holder. The magnet holder is preferably surrounded by a cylindrical protective housing, wherein that protective housing and the magnet holder are arranged coaxially. The arranged inside the protective housing magnet holder is preferably slightly longer in its longitudinal extent than the longitudinal extent of the protective housing - meaning so is the length of the cylinder - so that the magnet holder protrudes from the protective housing, preferably about one to two millimeters.

Damit der Permanentmagnet innerhalb des Magnethalters zuverlässig befestigt ist, ist gemäß einer vorteilhaften Ausgestaltung vorgesehen, dass der Permanentmagnet in dem Magnethalter gehalten ist, indem ein offenes Ende des Magnethalters plastisch verformt ist. Ein offenes Ende des Magnethalters - vorzugsweise das Ende, durch das der Magnet in den Magnethalter hineingeführt worden ist - wird dabei mit einem Werkzeug plastisch verformt bzw. zusammengecrimpt, so dass die Öffnung des Magnethalters derart verringert wird, dass der Magnet nicht mehr hindurchtreten kann. Vorzugsweise ist dazu die Längserstreckung des Magnethalters etwas länger als der Permanentmagnet selber, so dass der überstehende Teil des Magnethalters zusammengedrückt wird. Dabei ist darauf zu achten, dass der Magnet durch das plastische Verformen des Magnethalters nicht beschädigt wird, und dass der Magnethalter im Wesentlichen seine äußere Form beibehält und nur sehr lokal plastisch verformt wird.Thus, the permanent magnet is fixed reliably within the magnet holder, is provided according to an advantageous embodiment that the permanent magnet is held in the magnet holder by an open end of the magnet holder is plastically deformed. An open end of the magnet holder - preferably the end, through which the magnet has been guided into the magnet holder - is thereby plastically deformed or crimped together with a tool, so that the opening of the magnet holder is reduced such that the magnet can not pass through. Preferably, the longitudinal extension of the magnet holder is slightly longer than the permanent magnet itself, so that the protruding part of the magnet holder is compressed. It is important to ensure that the magnet is not damaged by the plastic deformation of the magnet holder, and that the magnet holder substantially maintains its outer shape and is only plastically deformed very locally.

Gemäß einer bevorzugten Ausgestaltung des Coriolis-Massendurchflussmessgeräts ist vorgesehen, dass der Magnethalter eine Basisplatte aufweist, wobei der Magnethalter mit der Basisplatte an dem Schutzgehäuse befestigt ist. Die Basisplatte ist vorzugsweise kreisrund, wobei an der Basisplatte der den Aufnahmeraum des Magnethalters bildende Teil des Magnethalters - beispielsweise ein zylindrisches Rohr - angebracht ist. Eine kreisrunde Basisplatte eignet sich insbesondere für ein Schutzgehäuse mit einer kreisrunden Bodenfläche. Die Basisplatte dient zur Befestigung des Magnethalters an dem Schutzgehäuse und ist vorzugsweise aus dem gleichen Material wie der Magnethalter. Zur Befestigung des Magnethalters an dem Schutzgehäuse wird der Magnethalter beispielsweise mit seiner Basisplatte mit dem Schutzgehäuse verschweißt oder verlötet.According to a preferred embodiment of the Coriolis mass flowmeter, it is provided that the magnet holder has a base plate, wherein the magnet holder is attached to the base plate to the protective housing. The base plate is preferably circular, wherein on the base plate of the receiving space of the magnet holder forming part of the magnet holder - for example, a cylindrical tube - is mounted. A circular base plate is particularly suitable for a protective housing with a circular bottom surface. The base plate is used to attach the magnet holder to the protective housing and is preferably made of the same material as the magnet holder. For attachment of the magnet holder to the protective housing of the magnet holder is welded or soldered, for example, with its base plate to the protective housing.

Um den Magnethalter und das Schutzgehäuse zuverlässig zueinander auszurichten, ist gemäß einer vorteilhaften Ausgestaltung vorgesehen, dass das Schutzgehäuse im Kontaktbereich mit dem Magnethalter ein Positioniermittel aufweist, so dass der Magnethalter an dem Positioniermittel in dem Schutzgehäuse ausrichtbar ist. Das Positioniermittel ist vorzugsweise als Vorsprung oder als Rücksprung an dem Schutzgehäuse ausgebildet, wobei der Magnethalter ein entsprechendes Gegenstück aufweist, so dass eine einfache Ausrichtung des Magnethalters relativ zum Schutzgehäuse ermöglicht ist. Vorzugsweise sind der Magnethalter und auch das Schutzgehäuse zylindrisch, so dass sie mit dem Positioniermittel koaxial ausgerichtet werden können.In order to align the magnet holder and the protective housing reliably with one another, it is provided according to an advantageous embodiment that the protective housing has a positioning means in the area of contact with the magnet holder, so that the magnet holder can be aligned with the positioning means in the protective housing. The positioning means is preferably formed as a projection or as a return to the protective housing, wherein the magnet holder has a corresponding counterpart, so that a simple orientation the magnet holder is made possible relative to the protective housing. Preferably, the magnet holder and also the protective housing are cylindrical, so that they can be aligned coaxially with the positioning means.

Gemäß einer bevorzugten Weiterbildung ist vorgesehen, dass das Positioniermittel als Vorsprung an dem Schutzgehäuse ausgebildet ist, insbesondere der Vorsprung kreisrund ist und einen Durchmesser aufweist, der dem Innendurchmesser des Aufnahmeraums des Magnethalters entspricht. Der Magnethalter ist so auf einfache Weise auf den Vorsprung aufsetzbar. Bei Ausgestaltung mit einer Basisplatte weist die Basisplatte im Bereich des Vorsprungs eine Ausnehmung auf, so dass der Vorsprung in die Basisplatte hinein oder durch sie hindurch greifen kann. Der Magnethalter wird durch den Vorsprung nicht nur relativ zum Schutzgehäuse positioniert, sondern zusätzlich auch formschlüssig von dem Vorsprung gehalten. Vorzugsweise ist die Oberfläche des Vorsprungs mit einer besonderen Oberflächengüte gefertigt, so dass der Permanentmagnet auf eine besonders glatte Oberfläche aufsetzbar ist.According to a preferred embodiment it is provided that the positioning means is formed as a projection on the protective housing, in particular the projection is circular and has a diameter which corresponds to the inner diameter of the receiving space of the magnetic holder. The magnet holder is thus placed in a simple manner on the projection. When configured with a base plate, the base plate has a recess in the region of the projection, so that the projection can reach into or through the base plate. The magnet holder is positioned by the projection not only relative to the protective housing, but also held in a form-fitting manner by the projection. Preferably, the surface of the projection is made with a special surface finish, so that the permanent magnet can be placed on a particularly smooth surface.

Um das Schutzgehäuse mit dem daran befestigten Magnethalter auf einfache Weise an dem Coriolis-Massendurchflussmessgerät zu befestigen, ist gemäß einer bevorzugten Ausgestaltung vorgesehen, dass das Schutzgehäuse ein befestigungsmittel zur Befestigung an einer Halteeinrichtung aufweist. Das Schutzgehäuse weist dazu beispielsweise an seiner Rückseite einen zylindrischen Stab auf, mit dem eine Befestigung an einem Tragrahmen ermöglicht ist. Der zylindrische Stab ist vorzugsweise einstückig mit dem Schutzgehäuse ausgebildet und weist beispielsweise ein Gewinde auf oder ist vollständig glatt.In order to fix the protective housing with the magnetic holder attached thereto in a simple manner to the Coriolis mass flowmeter, it is provided according to a preferred embodiment that the protective housing has a fastening means for attachment to a holding device. The protective housing has, for example, on its rear side a cylindrical rod with which an attachment to a support frame is made possible. The cylindrical rod is preferably formed integrally with the protective housing and has for example a thread or is completely smooth.

Eine Ausgestaltung, die sich insbesondere dann eignet, wenn der Magnethalter mit dem Schutzgehäuse verlötet ist, zeichnet sich dadurch aus, dass das Schutzgehäuse im Kontaktbereich mit dem Magnethalter wenigstens eine Bohrung aufweist. Durch diese Bohrung kann beispielsweise ein Lötzusatzstoff oder ein Flussmittel von der Unterseite an den Magnethalter herangeführt werden, so dass eine zuverlässige Verbindung zwischen Magnethalter und Schutzgehäuse sichergestellt ist. Durch die Bohrung im Kontaktbereich ist auch die Basisplatte - soweit sie vorhanden ist — von der Rückseite des Schutzgehäuses zugänglich.An embodiment which is particularly suitable when the magnet holder is soldered to the protective housing is characterized in that the protective housing has at least one bore in the area of contact with the magnet holder. Through this hole, for example, a solder additive or a flux can be brought from the bottom to the magnet holder, so that a reliable connection between the magnet holder and protective housing is ensured. Through the hole in the contact area and the base plate - as far as it is available - accessible from the back of the protective housing.

Neben oder zusätzlich zu der Befestigung des Permanentmagneten durch plastische Verformung eines Teils des Magnethalters ist gemäß einer vorteilhaften Weiterbildung vorgesehen, dass der Permanentmagnet wenigstens mittels eines Klebemittels an dem Magnethalter befestigt ist. Dazu wird beim Einbringen des Permanentmagneten in den Aufnahmeraum des Magnethalters zusätzlich ein Klebemittel hinzugegeben, so dass der Magnet spielfrei innerhalb des Aufnahmeraums des Magnethalters durch den Klebstoff gehalten wird. Der Klebstoff füllt dabei den geringen Spalt zwischen Magnethalter und Permanentmagnet aus, wodurch eine Beschädigung des Permanentmagneten nahezu ausgeschlossen ist.In addition to or in addition to the attachment of the permanent magnet by plastic deformation of a part of the magnetic holder is provided according to an advantageous development that the permanent magnet is attached at least by means of an adhesive to the magnet holder. For this purpose, when introducing the permanent magnet in the receiving space of the magnet holder additionally an adhesive is added, so that the magnet is held without play within the receiving space of the magnet holder by the adhesive. The adhesive fills out the small gap between magnet holder and permanent magnet, whereby damage to the permanent magnet is almost impossible.

Gemäß einer letzten Ausgestaltung des Coriolis-Massendurchflussmessgeräts ist vorgesehen, dass die Magnetanordnung wenigstens zwei Permanentmagnete und wenigstens einen Metallkern umfasst, wobei der Metallkern in dem Magnethalter zwischen den Permanentmagneten angeordnet ist, insbesondere die Permanentmagnete dabei jeweils mit einem gleichen Pol zueinander ausgerichtet sind. Die beispielsweise zylindrischen Permanentmagnete werden dazu hintereinander in den zylindrischen Magnethalter eingebracht, wobei zwischen die Permanentmagnete ein zylindrischer Metallkern eingebracht wird. Der Metallkern weist vorzugsweise eine hohe magnetische Permeabilität auf, die beispielsweise mit der Permeabilität des Schutzgehäuses vergleichbar ist. Die Permanentmagnete, die vor bzw. hinter dem Metallkern angeordnet sind, sind vorzugsweise so ausgerichtet, dass sie jeweils mit einem gleichen Pol aufeinandergerichtet sind, wobei damit gemeint ist, dass beispielsweise jeweils die beiden Südpole der Magneten an den Metallkern angrenzen, wodurch sich ein vorteilhafter Verlauf des Magnetfelds ergibt. Alternativ können die Magneten aber auch so ausgerichtet werden, dass die beiden Nordpole von jeweils einer Seite an den Metallkern angrenzen.According to a last embodiment of the Coriolis mass flowmeter, it is provided that the magnet arrangement comprises at least two permanent magnets and at least one metal core, wherein the metal core is arranged in the magnet holder between the permanent magnets, in particular the permanent magnets are each aligned with a same pole to each other. For example, the cylindrical permanent magnets are successively introduced into the cylindrical magnet holder, wherein between the permanent magnets, a cylindrical metal core is introduced. The metal core preferably has a high magnetic permeability, which is comparable, for example, with the permeability of the protective housing. The permanent magnets, which are arranged in front of and behind the metal core, are preferably aligned so that they are each directed towards each other with a same pole, which means that, for example, in each case the two south poles of the magnets are adjacent to the metal core, whereby an advantageous Course of the magnetic field results. Alternatively, however, the magnets can also be aligned such that the two north poles of one side each adjoin the metal core.

Im Einzelnen gibt es eine Vielzahl von Möglichkeiten, das erfindungsgemäße Coriolis-Massendurchflussmessgerät auszugestalten und weiterzubilden. Dazu wird verwiesen sowohl auf die dem Patentanspruch 1 nachgeordneten Patentansprüche als auch auf die nachfolgende Beschreibung von Ausfiihrungsbeispielen in Verbindung mit der Zeichnung. In der Zeichnung zeigen:

Fig. 1
ein erfindungsgemäßes Ausführungsbeispiel eines Magnethalters mit Schutzgehäuse für ein Coriolis-Massendurchflussmessgerät in ge- schnittener Seitenansicht,
Fig. 2
das Ausführungsbeispiel des Magnethalters mit Schutzgehäuse ge- mäß Fig. 1 in einer perspektivischen Rückansicht,
Fig. 3
das Ausführungsbeispiel des Magnethalters mit. Schutzgehäuse ge- mäß den Fig. 1 und 2 mit vergrößerter Darstellung des plastisch ver- formten Magnethalters und
Fig. 4
ein Ausführungsbeispiel eines Magnethalters in Seitenansicht.
Specifically, there are a variety of ways to design and develop the Coriolis mass flowmeter according to the invention. Reference is made to both the claims subordinate to claim 1 and to the following description of Ausfiihrungsbeispielen in conjunction with the drawings. In the drawing show:
Fig. 1
an inventive embodiment of a magnet holder with protective housing for a Coriolis mass flowmeter in a sectional side view,
Fig. 2
the embodiment of the magnet holder with protective housing according to Fig. 1 in a perspective rear view,
Fig. 3
the embodiment of the magnet holder with. Protective housing according to Fig. 1 and 2 with an enlarged view of the plastically deformed magnet holder and
Fig. 4
an embodiment of a magnet holder in side view.

Fig. 1 zeigt eine Magnetanordnung 1 für ein Coriolis-Massendurchflussmessgerät mit einem zu Schwingungen anregbaren Messrohr, wobei die Magnetanordnung 1 zur Schwingungserzeugung und/oder zur Schwingungsaufnahme dient. Die Magnetanordnung 1 im Ausführungsbeispiel gemäß den Fig. 1 bis 3 umfasst zwei Permanentmagnete 2, die in einem Magnethalter 3 befestigt sind, der aus einem nichtmagnetischen rostfreien Stahl besteht. Der Magnethalter 3 ist umgeben von einem Schutzgehäuse 4, wobei das Schutzgehäuse 4 mit dem Magnethalter 3 stoffschlüssig verbunden. Bei diesem Ausführungsbeispiel ist der Magnethalter 3 mit dem Schutzgehäuse 4 verlötet. Fig. 1 shows a magnet assembly 1 for a Coriolis mass flow meter with a stimulable to vibrations measuring tube, wherein the magnet assembly 1 is used for vibration generation and / or vibration absorption. The magnet assembly 1 in the embodiment according to the Fig. 1 to 3 comprises two permanent magnets 2 fixed in a magnet holder 3 made of a nonmagnetic stainless steel. The magnet holder 3 is surrounded by a protective housing 4, wherein the protective housing 4 is materially connected to the magnet holder 3. In this embodiment, the magnet holder 3 is soldered to the protective housing 4.

Der Magnethalter 3 ist als Hohlzylinder ausgestaltet und bildet dadurch einen zylindrischen Aufnahmeraum 5, in den die zylindrischen Permanentmagnete 2 eingebracht sind. Die Permanentmagnete 2 sind durch das offene Ende 6 des Magnethalters 3 in den Aufnahmeraum 5 eingebracht, wobei das offene Ende 6 - wie insbesondere in Fig. 3 dargestellt - plastisch verformt ist. Der Magnethalter 3 weist gemäß Fig. 1 eine Basisplatte 7 auf, wobei der Magnethalter 3 mit der Basisplatte 7 in einem Kontaktbereich 8 - hier die Bodenplatte des Schutzgehäuses 4 - stoffschlüssig mit dem Schutzgehäuse 4 verbunden ist. Zur Positionierung des Magnethalters 3 innerhalb des Schutzgehäuses 4, weist das Schutzgehäuse 4 einen als Vorsprung ausgestaltetes Positioniermittel 9 auf, wobei der Magnethalter 3 innerhalb des Schutzgehäuses 4 mit dem Positioniermittel 9 positionierbar und ausrichtbar ist. Der Durchmesser des hier kreisrunden Positioniermittels 9 entspricht im Wesentlich dem Innendurchmesser des Aufnahmeraums 5, wobei die Basisplatte 7 eine Ausnehmung aufweist, so dass das Positioniermittel 9 in die Basisplatte 7 eingreifen kann.The magnet holder 3 is designed as a hollow cylinder and thereby forms a cylindrical receiving space 5, in which the cylindrical permanent magnets 2 are introduced. The permanent magnets 2 are inserted through the open end 6 of the magnet holder 3 in the receiving space 5, wherein the open end 6 - as in particular in Fig. 3 shown - is plastically deformed. The magnet holder 3 has according to Fig. 1 a base plate 7, wherein the magnet holder 3 with the base plate 7 in a contact region 8 - here the bottom plate of the protective housing 4 - is integrally connected to the protective housing 4. For positioning the magnet holder 3 within the protective housing 4, the protective housing 4 has a positioning means 9 designed as a projection, wherein the magnet holder 3 can be positioned and aligned within the protective housing 4 with the positioning means 9. The diameter of the here circular positioning 9 corresponds essentially to the inner diameter the receiving space 5, wherein the base plate 7 has a recess, so that the positioning means 9 can engage in the base plate 7.

Fig. 2 zeigt eine perspektivische Rückansicht der Magnetanordnung 1, wobei im rückwärtigen Bereich des Schutzgehäuses 4 ein Befestigungsmittel 10 zur Befestigung der Magnetanordnung 1 an einem Coriolis-Massendurchflussmessgerät vorgesehen ist. Das Befestigungsmittel 10 ist auch zylindrisch und einstückig mit dem Schutzgehäuse ausgestaltet. Zusätzlich zu dem Befestigungsmittel 10 ist im rückwärtigen Bereich des Schutzgehäuses 4 eine Mehrzahl von Bohrungen 11 vorgesehen, die im Kontaktbereich 8 des Schutzgehäuses 4 angeordnet sind. Durch die Bohrungen 11 im Schutzgehäuse 4 ist die Basisplatte 7 des Magnethalters 3 von ihrer Unterseite zugänglich, so dass zur Befestigung des Magnethalters 3 an dem Schutzgehäuse 4 ein Flussmittel oder ein Lötzusatzmittel durch die Bohrungen 11 an die Unterseite der Basisplatte 7 des Magnethalters 3 herangebracht werden kann. Fig. 2 shows a perspective rear view of the magnet assembly 1, wherein in the rear region of the protective housing 4, a fastening means 10 for fixing the magnet assembly 1 is provided on a Coriolis mass flowmeter. The fastening means 10 is also cylindrical and integral with the protective housing. In addition to the fastening means 10, a plurality of bores 11, which are arranged in the contact region 8 of the protective housing 4, are provided in the rear region of the protective housing 4. Through the holes 11 in the protective housing 4, the base plate 7 of the magnet holder 3 is accessible from its underside, so that for fixing the magnet holder 3 to the protective housing 4, a flux or a solder additive through the holes 11 are brought to the bottom of the base plate 7 of the magnet holder 3 can.

Neben den Permanentmagneten 2 ist gemäß Fig. 1 innerhalb des Aufnahmeraums 5 des Magnethalters 3 zusätzlich ein Metallkern 12 zwischen die beiden Permanentmagneten 2 eingebracht, der die Permanentmagneten 2 voneinander trennt und einer speziellen Ausrichtung des Magnetfelds der Permanentmagneten 2 dient. Die Permanentmagnete 2 sind dabei so angeordnet, dass sie jeweils mit ihren Südpolen an dem Metallkern 12 anliegen. Der in Fig. 1 auf der linken Seite dargestellte Permanentmagnet 2 liegt an dem Vorsprung 9 des Schutzgehäuses 4 an.In addition to the permanent magnet 2 is according to Fig. 1 within the receiving space 5 of the magnet holder 3 in addition a metal core 12 is inserted between the two permanent magnets 2, which separates the permanent magnets 2 from each other and a special orientation of the magnetic field of the permanent magnet 2 is used. The permanent magnets 2 are arranged so that they rest respectively with their south poles on the metal core 12. The in Fig. 1 on the left side shown permanent magnet 2 abuts the projection 9 of the protective housing 4.

Fig. 3 zeigt eine Magnetanordnung 1, insbesondere eine Vergrößerung des plastisch verformten offenen Endes 6 des Magnethalters 3, wobei das offene Ende 6 des Magnethalters 3 an zwei gegenüberliegenden Stellen plastisch verformt bzw. zusammengecrimpt worden ist, so dass die Öffnung zum Aufnahmeraum 5 verkleinert worden ist und die Magneten 2 nicht mehr aus dem Aufnahmeraum 5 hinausbewegt werden können. Fig. 3 shows a magnet assembly 1, in particular an enlargement of the plastically deformed open end 6 of the magnet holder 3, wherein the open end 6 of the magnet holder 3 has been plastically deformed or crimped at two opposite locations, so that the opening has been reduced to the receiving space 5 and the Magnet 2 can not be moved out of the receiving space 5.

Fig. 4 zeigt einen Magnethalter 3 aus einem nichtmagnetischen rostfreien Stahl, wobei der Magnethalter 3 einstückig mit einer Basisplatte 7 ausgestaltet ist. Der Magnethalter 3 ist mit der Basisplatte 7 an einem Schutzgehäuse 4 befestigbar. Die Höhe des zylindrischen Teils des Magnethalters 3 ist geringfügig größer als die Höhe des Schutzgehäuses 4 - siehe Fig. 1 -, so dass der Magnethalter 3 mit seinem offenen Ende 6 etwas über die Außenhöhe des Schutzgehäuses 4 hinausragt. Dieser hinausragende Teil am offenen Ende 6 des Magnethalters 3 dient der plastischen Verformung zur Fixierung der Permanentmagnete 2 innerhalb des Magnethalters 3. Die Permanentmagnete 2 bilden zusammen mit dem Metallkern 12 einen Zylinder, der bezüglich seiner Höhe bündig mit den Außenkanten des Schutzgehäuse 4 abschließt. Fig. 4 shows a magnetic holder 3 made of a non-magnetic stainless steel, wherein the magnet holder 3 is integrally formed with a base plate 7. The magnet holder 3 can be fastened to the base plate 7 on a protective housing 4. The height of the cylindrical part of the magnet holder 3 is small greater than the height of the protective housing 4 - see Fig. 1 -, So that the magnet holder 3 protrudes with its open end 6 slightly above the outer height of the protective housing 4. This protruding part at the open end 6 of the magnet holder 3 is used for plastic deformation for fixing the permanent magnets 2 within the magnet holder 3. The permanent magnets 2 together with the metal core 12 a cylinder which is flush with respect to its height with the outer edges of the protective housing 4.

Claims (13)

Coriolis-Massendurchflussmessgerät mit einem zu Schwingungen anregbaren Messrohr und einer zur Schwingungserzeugung und/oder zur Schwingungsaufnahme dienenden Magnetanordnung (1), wobei die Magnetanordnung (1) wenigstens einen Permanentmagneten (2) und einen den Permanentmagneten (2) haltenden Magnethalter (3) umfasst,
dadurch gekennzeichnet,
dass der Magnethalter (3) aus einem nichtmagnetischen rostfreien Stahl besteht.Coriolis mass flowmeter having a measuring tube which can be excited to oscillate and a magnet arrangement (1) which is used for generating vibration and / or vibration, wherein the magnet arrangement (1) comprises at least one permanent magnet (2) and one magnet holder (3) holding the permanent magnet (2),
characterized,
that the magnet holder (3) consists of a non-magnetic stainless steel. Coriolis-Massendurchflussmessgerät nach Anspruch 1, dadurch gekennzeichnet, dass die Magnetanordnung (1) ein Schutzgehäuse (4) aufweist, wobei der Magnethalter (3) stoffschlüssig mit dem Schutzgehäuse (4) verbunden ist, insbesondere das Schutzgehäuse (4) aus einem rostfreien Stahl besteht.Coriolis mass flowmeter according to claim 1, characterized in that the magnet arrangement (1) has a protective housing (4), wherein the magnet holder (3) is materially connected to the protective housing (4), in particular the protective housing (4) consists of a stainless steel , Coriolis-Massendurchflussmessgerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Magnethalter (3) einen Aufnahmeraum (5) für den Permanentmagneten (2) bildet und der Permanentmagnet (2) in den Aufnahmeraum (5) des Magnethalters (3) eingebracht ist.Coriolis mass flowmeter according to claim 1 or 2, characterized in that the magnet holder (3) forms a receiving space (5) for the permanent magnet (2) and the permanent magnet (2) in the receiving space (5) of the magnet holder (3) is introduced. Coriolis-Massendurchflussmessgerät nach Anspruch 3, dadurch gekennzeichnet, dass der Magnethalter (3) als Hohlzylinder ausgestaltet ist und den Aufnahmeraum (5) für den Permanentmagneten (2) defmiert.Coriolis mass flowmeter according to claim 3, characterized in that the magnet holder (3) is designed as a hollow cylinder and the receiving space (5) for the permanent magnet (2) Defmiert. Coriolis-Massendurchflussmessgerät nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass der Permanentmagnet (2) in dem Magnethalter (3) gehalten ist, indem ein offenes Ende (6) des Magnethalters (3) plastisch verformt ist.Coriolis mass flowmeter according to claim 3 or 4, characterized in that the permanent magnet (2) in the magnet holder (3) is held by an open end (6) of the magnet holder (3) is plastically deformed. Coriolis-Massendurchflussmessgerät nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, dass der Magnethalter (3) eine Basisplatte (7) aufweist, wobei der Magnethalter (3) mit der Basisplatte (7) an dem Schutzgehäuse (4) befestigt ist.Coriolis mass flowmeter according to one of claims 2 to 5, characterized in that the magnet holder (3) has a base plate (7), wherein the magnet holder (3) is fixed to the base plate (7) on the protective housing (4). Coriolis-Massendurchflussmessgerät nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass das Schutzgehäuse (4) im Kontaktbereich (8) mit dem Magnethalter (3) ein Positioniermittel (9) aufweist, so dass der Magnethalter (3) an dem Positioniermittel (9) in dem Schutzgehäuse (4) ausrichtbar ist.Coriolis mass flowmeter according to one of claims 2 to 6, characterized in that the protective housing (4) in the contact region (8) with the magnet holder (3) has a positioning means (9), so that the magnet holder (3) on the positioning means (9 ) is alignable in the protective housing (4). Coriolis-Massendurchflussmessgerät nach den Ansprüchen 6 und 7, dadurch gekennzeichnet, dass das Positioniermittel (9) als Vorsprung an dem Schutzgehäuse (4) ausgebildet ist, insbesondere der Vorsprung kreisrund ist und einen Durchmesser aufweist, der dem Innendurchmesser des Rohrstücks des Magnethalters (3) entspricht.Coriolis mass flowmeter according to claims 6 and 7, characterized in that the positioning means (9) is formed as a projection on the protective housing (4), in particular the projection is circular and has a diameter which corresponds to the inner diameter of the tubular piece of the magnet holder (3). equivalent. Coriolis-Massendurchflussmessgerät einem der Ansprüche 2 bis 8, dadurch gekennzeichnet, dass das Schutzgehäuse (4) ein Befestigungsmittel (10) zur Befestigung an einer Haltereinrichtung aufweist.Coriolis mass flowmeter according to one of claims 2 to 8, characterized in that the protective housing (4) has a fastening means (10) for attachment to a holding device. Coriolis-Massendurchflussmessgerät nach einem der Ansprüche 2 bis 9, dadurch gekennzeichnet, dass das Schutzgehäuse (4) im Kontaktbereich (8) mit dem Magnethalter (3) wenigstens eine Bohrung (11) aufweist.Coriolis mass flowmeter according to one of claims 2 to 9, characterized in that the protective housing (4) in the contact region (8) with the magnet holder (3) has at least one bore (11). Coriolis-Massendurchflussmessgerät nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass der Permanentmagnet (2) wenigstens mittels eines Klebemittels an dem Magnethalter (3) befestigt ist.Coriolis mass flowmeter according to one of claims 1 to 10, characterized in that the permanent magnet (2) at least by means of an adhesive to the magnet holder (3) is fixed. Coriolis-Massendurchflussmessgerät nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass die Magnetanordnung (1) wenigstens zwei Permanentmagnete (2) und wenigstens einen Metallkern (12) umfasst, wobei der Metallkern (12) in dem Magnethalter (3) zwischen den Permanentmagneten (2) angeordnet ist, insbesondere die Permanentmagnete (2) dabei jeweils mit einem gleichen Pol aufeinander ausgerichtet sind.Coriolis mass flowmeter according to one of claims 1 to 11, characterized in that the magnet arrangement (1) comprises at least two permanent magnets (2) and at least one metal core (12), wherein the metal core (12) in the magnet holder (3) between the permanent magnets (2) is arranged, in particular the permanent magnets (2) are each aligned with a same pole to each other. Magnetanordnung für ein Coriolis-Massendurchflussmessgerät mit wenigstens einem Permanentmagneten (2) und einem den Permanentmagneten (2) haltenden Magnethalter (3), gekennzeichnet durch die kennzeichnenden Merkmale wenigstens eines Anspruchs der Ansprüche 2 bis 12.Magnetic arrangement for a Coriolis mass flowmeter with at least one permanent magnet (2) and a magnet holder (3) holding the permanent magnet (2), characterized by the characterizing features of at least one claim of claims 2 to 12.
EP10015454.1A 2009-12-11 2010-12-09 Coriolis mass flow measuring device and magnet assembly for such a measuring device Active EP2333496B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009057912A DE102009057912B4 (en) 2009-12-11 2009-12-11 Coriolis mass flowmeter

Publications (2)

Publication Number Publication Date
EP2333496A1 true EP2333496A1 (en) 2011-06-15
EP2333496B1 EP2333496B1 (en) 2018-09-19

Family

ID=43821842

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10015454.1A Active EP2333496B1 (en) 2009-12-11 2010-12-09 Coriolis mass flow measuring device and magnet assembly for such a measuring device

Country Status (4)

Country Link
US (1) US8272275B2 (en)
EP (1) EP2333496B1 (en)
JP (1) JP5818427B2 (en)
DE (1) DE102009057912B4 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI625507B (en) * 2015-10-08 2018-06-01 壓電股份有限公司 Coriolis mass flow meter
DE102019107601A1 (en) * 2019-03-25 2020-10-01 Endress + Hauser Flowtec Ag Coriolis sensor and Coriolis measuring device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5602345A (en) * 1994-05-26 1997-02-11 Endress + Hauser Flowtec Ag Double straight tube coriolis type mass flow sensor
WO2007043996A1 (en) * 2005-10-06 2007-04-19 Micro Motion, Inc. Magnet assembly
DE102008007742A1 (en) 2007-04-25 2008-11-06 Krohne Ag Coriolis mass flowmeter

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS596759A (en) * 1982-06-30 1984-01-13 Hitachi Ltd Rotor for magnet generator
US4655089A (en) * 1985-06-07 1987-04-07 Smith Meter Inc. Mass flow meter and signal processing system
US4738144A (en) * 1986-10-03 1988-04-19 Micro Motion, Inc. Drive means for oscillating flow tubes of parallel path coriolis mass flow rate meter
DE3877907D1 (en) * 1987-11-20 1993-03-11 Flowtec Ag METHOD FOR MASS FLOW MEASUREMENT ACCORDING TO THE CORIOLIS PRINCIPLE AND MASS FLOW MEASURING DEVICE USING THE CORIOLIS PRINCIPLE.
US4876898A (en) * 1988-10-13 1989-10-31 Micro Motion, Inc. High temperature coriolis mass flow rate meter
DK0448913T3 (en) * 1990-03-30 1994-05-02 Flowtec Ag Mass flow meter according to the Coriolis principle
JPH08338749A (en) * 1995-06-14 1996-12-24 Oval Corp Coriolis flowmeter
JP3767120B2 (en) * 1997-09-24 2006-04-19 トキコテクノ株式会社 Vibration measuring device
US5987998A (en) * 1998-08-26 1999-11-23 Micro Motion, Inc. High temperature drive system for a coriolis mass flowmeter
US6805012B2 (en) * 2002-07-26 2004-10-19 Micro Motion, Inc. Linear actuator
JP2004294090A (en) * 2003-03-25 2004-10-21 Tokico Ltd Oscillating type measuring device
DE102007051420B4 (en) * 2006-11-16 2020-07-16 Abb Ag Coriolis mass flow meter with a vibrating straight measuring tube
US7874220B2 (en) * 2006-11-16 2011-01-25 Abb Patent Gmbh Coriolis mass flowmeter with an oscillatable straight measuring tube
DE102007062397A1 (en) * 2007-12-20 2009-06-25 Endress + Hauser Flowtec Ag Vibration-type transducers
DE102008044186A1 (en) * 2008-11-28 2010-06-02 Endress + Hauser Flowtec Ag Magnetic device and transducer of the vibration type with such a magnetic device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5602345A (en) * 1994-05-26 1997-02-11 Endress + Hauser Flowtec Ag Double straight tube coriolis type mass flow sensor
WO2007043996A1 (en) * 2005-10-06 2007-04-19 Micro Motion, Inc. Magnet assembly
DE102008007742A1 (en) 2007-04-25 2008-11-06 Krohne Ag Coriolis mass flowmeter

Also Published As

Publication number Publication date
US8272275B2 (en) 2012-09-25
JP5818427B2 (en) 2015-11-18
JP2011123077A (en) 2011-06-23
US20110138930A1 (en) 2011-06-16
DE102009057912A1 (en) 2011-06-16
DE102009057912B4 (en) 2013-07-25
EP2333496B1 (en) 2018-09-19

Similar Documents

Publication Publication Date Title
EP1985975B1 (en) Coriolis mass flow measuring device
DE3545155C2 (en) Electromagnetic flow meter
DE112006002849T5 (en) Cylindrical linear motor
DE2040682C3 (en) Inductive flow meter with a measuring tube made of insulating synthetic resin that is detachably held in a pipeline through which the medium flows between counter flanges of the adjacent pipeline parts
DE102008044186A1 (en) Magnetic device and transducer of the vibration type with such a magnetic device
DE202017006709U1 (en) Coriolis mass flowmeter
EP3721180A1 (en) Coriolis mass flow meter
DE102014010375A1 (en) Ultrasonic transducer arrangement and ultrasonic water meter
DE102008035877A1 (en) Vibration-type transducers
DE102017112167A1 (en) Vibrating point level sensor with optimized inductive drive
DE102006020265A1 (en) Magnetic-inductive sensor for use as primary transducer in line measuring instrument, has measuring tube and coil holder connected with one another in joint-free manner, so that coil is formed as integral component of measuring tube
DE2619870A1 (en) ELECTROMAGNETIC FLOW METER
DE2355630A1 (en) MAGNETIC LOCATING DEVICE AND METHOD FOR MANUFACTURING IT
DE102010039055A1 (en) Displacement measuring device
EP2333496B1 (en) Coriolis mass flow measuring device and magnet assembly for such a measuring device
DE19958285C2 (en) Magnetic-inductive flow meter
DE3511033A1 (en) MEASURING VALUE FOR MAGNETIC-INDUCTIVE FLOW MEASURING DEVICES
EP0564682B1 (en) Oscillating body arrangement for a mass flowmeter
EP0787975A1 (en) Electromagnetic flowmeter
DE112005000106T5 (en) Electromagnetic-acoustic transducer
WO2007125018A1 (en) Magnetic inductive sensor
DE60003263T2 (en) Magnetostrictive position measuring transducer with high measuring accuracy
DE10234960A1 (en) Sensor based on the transit time principle with a detector unit for mechanical-elastic waves
EP3935350B1 (en) Coriolis sensor and coriolis measuring device with coriolis sensor
DE1915324A1 (en) Flow meter

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

17P Request for examination filed

Effective date: 20111215

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

INTG Intention to grant announced

Effective date: 20180419

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502010015377

Country of ref document: DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1043791

Country of ref document: AT

Kind code of ref document: T

Effective date: 20181015

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20180919

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181220

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181219

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181219

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190119

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190119

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502010015377

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

26N No opposition filed

Effective date: 20190620

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181209

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20181231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181209

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 1043791

Country of ref document: AT

Kind code of ref document: T

Effective date: 20181209

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181209

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180919

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20101209

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180919

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20221213

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20230220

Year of fee payment: 13

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230607

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20231220

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20231221

Year of fee payment: 14